Zipp Service Course SL Stem - 150mm, 31.8 Clamp, +/-6, 1 1/8", Aluminum, Matte Black, B2 SM0412

The Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape that’s strong and lightweight, resulting in a 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations.